The following error is present in the job log of each vm:
Message: An internal error occurred during execution, please contact Quest support if the error persists. Error Message: 3201 - can't open [DataStore] vmName/vmName.vmdk
The Virtual Center - Web Service Settings -HTTPS Port, has been changed from 443 to another port number.
Change the Virtual Center - Web Service Settings -HTTPS Port back to its default port of 443.
Reconnect vRanger to vCenter on port 443